Ferlens is a former municipality in the district of Lavaux-Oron in the canton of Vaud in Switzerland . On 1 July 2016 the former municipalities of Ferlens, Carrouge and Mézières merged into the new municipality of Jorat-Mézières .

Ferlens is first mentioned around 1147-50 as Ferlens.

Ferlens has an area, as of 2009, of 2.2 square kilometers (0.85 sq mi). Of this area, 1.51 km2 (0.58 sq mi) or 69.6% is used for agricultural purposes, while 0.49 km2 (0.19 sq mi) or 22.6% is forested. Of the rest of the land, 0.16 km2 (0.062 sq mi) or 7.4% is settled (buildings or roads).